Viessmann VITODENS 222-F Installation And Service Instructions Manual page 53

Further details regarding the individual steps
Note
The flow rate of the heating circuit with-
out mixer must be at least 30 % greater
than the flow rate of the heating circuit
with mixer.
Function/system components
Operation with LPG
System only with one heating circuit with mixer with
extension kit for mixer (without unregulated heating
circuit) with DHW heating
System with DHW circulation pump:
DHW circulation pump connection at extension AM1,
terminal A2
System version 4
One heating circuit without mixer A1, one heating circuit with mixer M2 and
system separation
1
1 Vitodens 222-F
3
5
6
7
M
8
2
9
Commissioning, inspection, maintenance
(cont.)
Adjust Delivered con-
82:1
00:4
4
qP
2 Outside temperature sensor
Code
dition
82:0
00:6
—
34:0
53